GE Industrial Solutions AF-600 FP High Power (460V_575V 150HP and above) User Manual
Page 126
7.
Remove the 4 (10 mm) retaining nuts at the top of the IGBT bus bar assy.
8.
Remove the 12 retaining screws (6 on each module) on the upper portion of the IGBT modules. These screws also attach the snubber capacitors to the
IGBT modules (see Illustration 7-22, item 5 for snubber capacitor location). Remove the snubber capacitors.
9.
Remove the 10 mm retaining nut from the IGBT bus bar assy.
10.
Remove the IGBT bus bar assy.
11.
At the bottom end of the IGBT module, remove the 12 retaining screws (4 each for U, V, and W intermediate IGBT output bus bars).
12.
Remove the retaining nut (8 mm) from the 3 intermediate IGBT output bus bars. Remove the intermediate IGBT output bus bars.
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130BX98.10
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8
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10
11
Illustration 7.1: 42/44 IGBT Modules (2 of 3)
1
Intermediate IGBT output bus bar BB30 (Step 12)
7
IGBT bus bar assembly BB29 (Steps 7 & 10)
2
Retaining nut (Step 12)
8
Retaining nut (Step 7)
3
Retaining screws (Step 11)
9
IGBT module
4
IGBT module
10
BB30
5
Retaining screws (shown removed) (Step 8)
11
BB31
6
Retaining nut (Step 9)
AF-650 GP and AF-600 FP High Power Service Manual
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